blob: 5defbf0a511ef07b0c8136af023126d9c03027f2 [file] [log] [blame]
From 47e87c0bbf33f8cc4d5498d54218b0d9eac9d27c Mon Sep 17 00:00:00 2001
From: Hou Tao <houtao1@huawei.com>
Date: Mon, 15 Jun 2020 11:33:23 +0800
Subject: [PATCH] dm zoned: assign max_io_len correctly
commit 7b2377486767503d47265e4d487a63c651f6b55d upstream.
The unit of max_io_len is sector instead of byte (spotted through
code review), so fix it.
Fixes: 3b1a94c88b79 ("dm zoned: drive-managed zoned block device target")
Cc: stable@vger.kernel.org
Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 775b890bd736..159d27aa712b 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -789,7 +789,7 @@ static int dmz_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}
/* Set target (no write same support) */
- ti->max_io_len = dev->zone_nr_sectors << 9;
+ ti->max_io_len = dev->zone_nr_sectors;
ti->num_flush_bios = 1;
ti->num_discard_bios = 1;
ti->num_write_zeroes_bios = 1;
--
2.27.0